Curated Video
Can you solve this puzzle? | Math Puzzle For Kids 2
This visual math puzzle, or math logic puzzle as some teachers call it is perfect for grades 3, 4 or 5. I loved to use these math warmups before class every day to encourage students to start thinking mathematically and to share their...
Curated Video
Can you solve this puzzle?| Math Puzzle for Kids 3
This visual math puzzle, or math logic puzzle as some teachers call it is perfect for grades 3, 4, or 5. I loved to use these math warmups before class every day to encourage students to start thinking mathematically and to share their...
TED-Ed
TED-Ed: Can you solve the sorting hat riddle? | Dan Katz and Alex Rosenthal
It's your first day at Magnificent Marigold's Magical Macademy. But before you can learn your first spell you must get through the sorting ceremony. And the sorting hat has chosen you for a special challenge. The Macademy had 8 founders...
Curated Video
Can You Solve This Problem For 12 Year Olds In Singapore? 4 Overlapping Circles Puzzle
What is the area between a large circle and 4 smaller circles as shown in the diagram? The large circle's diameter is 84. This problem was given to primary school students in Singapore. Can you figure it out? Watch the video for a...
Curated Video
Insanely Hard High School Math Question - Online Math Olympiad Apple Tree Probability
The Online Math Olympiad is a contest for high school students with challenging problem. This 2016 test had an average score of 9 out of 30. This video is an adaption of problem 16 which is an interesting probability puzzle. At the end...
Curated Video
Adults Baffled By Primary School Math Problem - The Lighthouse Puzzle
Another day, another viral math problem! Lighthouses A, B, and C turn on and off in regular intervals. A shines light for 3 seconds, then is off for 3 seconds, and repeats this cycle. B cycles 4 seconds on/4 seconds off, and C cycles 5...
Curated Video
Two Grade School Math Questions Stumping Adults Worldwide Right Now
Media outlets around the world are reporting on these math problems that have "flummoxed" everyone. As these got so much attention, I wanted to share some of the headlines and give a small discussion about what I think is the real lesson...
Curated Video
Chinese Math Homework Baffles Internet - Shoes, Cat, Whistle Puzzle Explained
A system of equations involving a pair of shoes, a cat, and whistles is the latest emoji math problem that people are arguing about, and it has gone viral on social media sites. The problem was given to primary school students in China,...
Curated Video
HARD Geometry Puzzle In The Simpsons
The Simpson's 26th season finale "Mathlete's Feat" is full of mathematical problems. The final problem is a challenging geometric problem. Can you figure it out? You can skip to 4:58 for the solution. Kudos to the writers of The...
Curated Video
Adults Stumped By Grade School Math Problem From Singapore
"Jess wants 200 ribbons of length 110 centimeters for a party. However, the ribbons were sold at 25 meters per tape. How many tapes will Jess need?" Yahoo News reports many adults find this problem is too tricky. Can you figure it out?...
Curated Video
Amazing Math Trick Schools Don't Teach - Egyptians/Russian Peasant Method
You can multiply two numbers if you know how to double, halve, and add up numbers. This is really interesting: basically the Egyptians were using binary multiplication! Watch the video to see how it works. READ why this method works:...
Curated Video
Proving pi is irrational (using high school level calculus)
I did make one big typo/mistake in the video: at 3:40 I claimed that f(x) is a polynomial with integer coefficients. I meant to write n!f(x) is a polynomial with integer coefficients. Commenter ffggddss also pointed out some other...
Extra Credits
How Games Challenge Us - Empathy and Intuition in Puzzle Design - Extra Credits
How can we use empathy, intuition, and other types of design vectors to create interesting gameplay besides the most popular mechanics--which are based in reflex and logic challenges? History of Virtual Reality, part 1:...
Kids’ Poems and Stories With Michael Rosen
Random Thoughts & Jokes | Poetry Megabundle 4 | Kids' Poems and Stories with Michael Rosen
A compendium of poems, random thoughts and jokest written and performed by Michael Rosen. This compilation includes: Deep Down George Far Away Box Headache I Think Logic Puzzle 1 Puzzle 2 Quite Please Spots in my eyes Telly The Toenail...
Curated Video
Can You Solve A 1st Grade Math Question From Hong Kong?
Adults are baffled by this question asked to elementary school students in Hong Kong! What is the car's parking spot number? You have 20 seconds to solve this. Can you solve this viral puzzle? Answer to problem:...
Curated Video
Answer To 1st Grade Math Question From Hong Kong
Watch the problem first: https://www.youtube.com/watch?v=OGOzKu33zaI This video is a solution to those problems. What is the car's parking spot number? Hong Kong elementary students were asked to solve this problem in 20 seconds. The...
Curated Video
The REAL Answer To The Viral Chinese Math Problem "How Old Is The Captain?"
Media outlets around the world went crazy over a 5th grade math exam question in China. But they all missed the real story! The problem actually dates back to French researchers in 1979. In this video I present the real story to the...
Curated Video
Can You Solve A Scottish Math Exam From 130 Years Ago?
This problem comes from an exam in 1888 for secondary school students. It was actually optional so it was considered to be a challenging problem. I bet some students today will struggle with it too, but it's the kind of problem solving I...
Curated Video
Viral Math Problem - Solving Hannah's Sweet Maths GCSE Question
This problem was asked to British high school students (aged 15 to 16) and it went viral after they vented their frustration at the difficultly. Can you solve it? This video explains the solution and how you can check your answer. Here's...
Curated Video
Solve For The Radius. Challenging Problem From Indonesia!
Thanks to Devan from Lilin Bangsa Intercultural School for suggesting this problem! What is the radius of the small circle in between the blue circle (radius 4) and green circle (radius 2)? This was a challenge problem for students aged...
Curated Video
Solve For The Red Area - Easier Than It Looks!
I wish I knew this trick while I was in school. Can you solve for the red area? Source https://math.stackexchange.com/questions/2369403/which-area-is-larger-the-blue-area-or-the-white-area Subscribe:...
Curated Video
Lune Of Hippocrates - Famous Ancient Math Problem
Hippocrates of Chios solved this, nearly 100 years before Euclid even wrote The Elements, and before we knew the exact formula for the area of a circle. This is said to be the first precise mathematical of the area between two curved...
Curated Video
Can You Solve Abraham Lincoln's Math Homework?
Little known fact: Abraham Lincoln was a very good math student! In this video I share the story of why he studied Euclid's Elements. I also share a problem he did while in school. He did in fact get the correct answer, and we can deduce...
Curated Video
Can You Solve George Washington's Math Homework? (And Abraham Lincoln's Too)
Today politicians do not much about mathematics. But interestingly George Washington and Abraham Lincoln both understood the value of mathematics. And amazingly manuscripts of their homework have survived and been preserved for hundreds...